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Influence of VEGF, the VEGF-R2 inhibitor axitinib, or irradiation with 2 Gy photons on GJIC of U-251 cell lines.
(A–F) VEGF was added at 0.1 μg/mL, axitinib at 100 μg/mL. Scale bar: 50 μm. (G) Quantitative results. Data were expressed as the mean ± standard error, and analyzed by unpaired t-test. *P < 0.05, ***P < 0.001, vs. control group.
